<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>我是静态页面</title>
    <style type="text/css">
        h1{
            align-self: center;
        }
    </style>
</head>
<body>

<section>
    <h1>你好！</h1>
</section>
</body>
</html>